WASHINGTON, May 3, 1856.

To the Senate and House of Representatives:

I communicate herewith a letter of the Postmaster-General, with accompanying correspondence, in relation to mail transportation between our Atlantic and Pacific possessions, and earnestly commend the subject to the early consideration of Congress.

FRANKLIN PIERCE.

WASHINGTON, May 3, 1856.

To the Senate of the United States:

I communicate herewith a letter from the Secretary of War, with accompanying papers, in response to a resolution of the Senate of the 21st ultimo, upon the subject of damages which will be "incurred by the United States in case of the repeal of so much of the act of March 3, 1855, as provides for the construction of an armory in the District of Columbia," and also a further answer from the Secretary of War to the resolution of the Senate of the 7th ultimo, requesting a full report of the steps pursued in execution of the clause of the act making appropriations for the civil and diplomatic expenses of the Government, approved March 2, 1855, which provides for the construction of the armory in this District before referred to.

FRANKLIN PIERCE.

WASHINGTON, May 15, 1856.

To the Senate and House of Representatives: